NO20052448L - Reduction of gas phase-reduced nitrogenates in JRC processes with partial combustion - Google Patents

Reduction of gas phase-reduced nitrogenates in JRC processes with partial combustion

Info

Publication number
NO20052448L
NO20052448L NO20052448A NO20052448A NO20052448L NO 20052448 L NO20052448 L NO 20052448L NO 20052448 A NO20052448 A NO 20052448A NO 20052448 A NO20052448 A NO 20052448A NO 20052448 L NO20052448 L NO 20052448L
Authority
NO
Norway
Prior art keywords
reduced
gas phase
nox
nitrogen compounds
boiler
Prior art date
Application number
NO20052448A
Other languages
Norwegian (no)
Other versions
NO20052448D0 (en
Inventor
John Allen Rudesill
George Yaluris
Original Assignee
Grace W R & Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grace W R & Co filed Critical Grace W R & Co
Publication of NO20052448D0 publication Critical patent/NO20052448D0/en
Publication of NO20052448L publication Critical patent/NO20052448L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P30/00—Technologies relating to oil refining and petrochemical industry
    • Y02P30/40—Ethylene production

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

Reduserte utslipp av gassfasereduserte nitrogenforbindelser i avgassen fra en FCC-regenerator kjørt i delvis eller ufullstendig forbrenningsmodus oppnås ved å bringe avgassen i kontakt med en oksiderende katalysator/additiv-sammensetning med evnen til å redusere gassfasenitrogenforbindelser til molekylært nitrogen. Fluidiserbare partikler av oksiderbare katalysator/additiver sirkuleres gjennom hele FCC-enheten i delvis eller ufullstendige forbrenning sammen med FCC-katalysatorbeholdningen. Røkgassen som har et redusert innhold av gassfasereduserte nitrogenforbindelser og NOx føres til en nedstrøms-CO-kjel, fortrinnsvis en lav NOx, CO-kjel. I CO-kjelen, ettersom CO okisderes til CO2, oksideres en redusert mengde gassfasereduserte nitrogenforbindelser til NOx og sørger derfor for en økning i den totale reduksjonen av NOx sluppet ut til miljøet.Reduced emissions of gas phase-reduced nitrogen compounds in the exhaust gas from an FCC regenerator run in partial or incomplete combustion mode are achieved by contacting the exhaust gas with an oxidizing catalyst / additive composition with the ability to reduce gas phase nitrogen compounds to molecular nitrogen. Fluidizable particles of oxidizable catalyst / additives are circulated throughout the FCC unit in partial or incomplete combustion together with the FCC catalyst inventory. The flue gas having a reduced content of gas phase-reduced nitrogen compounds and NOx is fed to a downstream CO boiler, preferably a low NOx, CO boiler. In the CO boiler, as CO is oxidised to CO2, a reduced amount of gas phase-reduced nitrogen compounds is oxidized to NOx and therefore causes an increase in the total reduction of NOx released to the environment.

NO20052448A 2002-10-21 2005-05-20 Reduction of gas phase-reduced nitrogenates in JRC processes with partial combustion NO20052448L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/274,621 US20040074809A1 (en) 2002-10-21 2002-10-21 Reduction of gas phase reduced nitrogen species in partial burn FCC processes
PCT/US2003/033479 WO2004037392A1 (en) 2002-10-21 2003-10-21 Reduction of gas phase reduced nitrogen species in partial burn fcc processes

Publications (2)

Publication Number Publication Date
NO20052448D0 NO20052448D0 (en) 2005-05-20
NO20052448L true NO20052448L (en) 2005-07-20

Family

ID=32093084

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20052448A NO20052448L (en) 2002-10-21 2005-05-20 Reduction of gas phase-reduced nitrogenates in JRC processes with partial combustion

Country Status (11)

Country Link
US (4) US20040074809A1 (en)
EP (1) EP1558367B1 (en)
JP (1) JP2006503700A (en)
KR (1) KR20050060100A (en)
CN (1) CN100377765C (en)
AU (1) AU2003277459B2 (en)
CA (1) CA2502985C (en)
MX (1) MXPA05004181A (en)
NO (1) NO20052448L (en)
TW (1) TWI345482B (en)
WO (1) WO2004037392A1 (en)

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Also Published As

Publication number Publication date
MXPA05004181A (en) 2005-06-08
US7909986B2 (en) 2011-03-22
US20040074809A1 (en) 2004-04-22
TWI345482B (en) 2011-07-21
CN100377765C (en) 2008-04-02
NO20052448D0 (en) 2005-05-20
US20090223860A1 (en) 2009-09-10
CN1729041A (en) 2006-02-01
US20060006100A1 (en) 2006-01-12
EP1558367A1 (en) 2005-08-03
CA2502985C (en) 2012-07-10
WO2004037392A1 (en) 2004-05-06
AU2003277459B2 (en) 2010-03-04
US20060021910A1 (en) 2006-02-02
TW200418565A (en) 2004-10-01
KR20050060100A (en) 2005-06-21
JP2006503700A (en) 2006-02-02
EP1558367B1 (en) 2012-06-27
AU2003277459A1 (en) 2004-05-13
CA2502985A1 (en) 2004-05-06
US7906015B2 (en) 2011-03-15

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